A lot has been written about the human catastrophe currently unfolding in Syria, horrific photos assail us daily, politicians drop sound-bites condemning the violence, but in a few heart-felt sentences the injured photographer Paul Conroy eloquently and dramatically cut through it all. "It's not a war," he insisted. "It's a massacre." Speaking from the safety of his hospital bed in London, having been smuggled from Homs to Lebanon earlier in the week by Syrian rebels, Conroy pleaded with the world to act now or regret forever the atrocities being committed...